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  <h1 class="topictitle1">TDSQL MySQL版V5.7.17版本非分布式实例恢复后出现备延迟耗时长</h1>
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    <h4 class="sectiontitle">现象描述</h4>
    <p>TDSQL MySQL版V5.7.17版本的非分布式实例恢复后，备节点出现备延迟耗时很长。</p>
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    <h4 class="sectiontitle">可能原因</h4>
    <p>由于TDSQL MySQL版V5.7.17版本限制，非分布式实例恢复后，概率出现备节点的主备同步状态异常。</p>
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    <h4 class="sectiontitle">处理步骤</h4>
    <ol>
     <li><span>登录赤兔管理台界面。</span></li>
     <li><span>在“实例管理”中选择实例，并进入“实例详情”界面。</span></li>
     <li><span>单击“重做备机”。</span></li>
     <li><span>在弹出的对话框中，选择目标备机。</span></li>
     <li><span>单击“重做备机”。</span></li>
    </ol>
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